{"id":"CVE-2018-20743","aliases":["ALPINE-CVE-2018-20743","DEBIAN-CVE-2018-20743","DLA-1661-1","DSA-4402-1","EUVD-2018-13288","GHSA-m3vr-wjwg-vh63","MGASA-2019-0145","UBUNTU-CVE-2018-20743","openSUSE-SU-2019:1794-1","openSUSE-SU-2019:1876-1","openSUSE-SU-2020:0137-1","openSUSE-SU-2024:11065-1"],"status":"published","title":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that...","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","severity":{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03625,"percentile":0.89607,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2019-01-25T16:00:00Z","modified":"2026-11-03T06:31:21Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Alpine:v3.6","package":"mumble","fixed_in":["1.2.19-r2"],"sources":["osv"]},{"ecosystem":"Alpine:v3.7","package":"mumble","fixed_in":["1.2.19-r5"],"sources":["osv"]},{"ecosystem":"Alpine:v3.8","package":"mumble","fixed_in":["1.2.19-r7"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"mumble","fixed_in":["1.2.19-r9"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"mumble","fixed_in":["1.3.0~git20190114.9fcc588+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"mumble","fixed_in":["1.3.0~git20190114.9fcc588+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"mumble","fixed_in":["1.3.0~git20190114.9fcc588+dfsg-1"],"sources":["osv"]},{"ecosystem":"Debian:8","package":"mumble","fixed_in":["1.2.8-2+deb8u1"],"sources":["osv"]},{"ecosystem":"Debian:9","package":"mumble","fixed_in":["1.2.18-1+deb9u1"],"sources":["osv"]},{"ecosystem":"Mageia:6","package":"mumble","fixed_in":["1.2.19-1.1.mga6"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 12","package":"mumble","fixed_in":["1.2.19-bp150.3.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15","package":"mumble","fixed_in":["1.2.19-bp150.3.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.0","package":"mumble","fixed_in":["1.2.19-bp150.3.3.1"],"sources":["osv"]},{"ecosystem":"openSUSE:Leap 15.1","package":"mumble","fixed_in":["1.2.19-bp150.3.3.1"],"sources":["osv"]},{"ecosystem":"SUSE:Package Hub 15 SP1","package":"mumble","fixed_in":["1.2.19-bp151.6.3.1","1.2.19-bp151.6.6.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Alpine:v3.6","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r2"}]}]},{"source":"osv","ecosystem":"Alpine:v3.7","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r5"}]}]},{"source":"osv","ecosystem":"Alpine:v3.8","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r7"}]}]},{"source":"osv","ecosystem":"Alpine:v3.9","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-r9"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0~git20190114.9fcc588+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0~git20190114.9fcc588+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.0~git20190114.9fcc588+dfsg-1"}]}]},{"source":"osv","ecosystem":"Debian:8","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.8-2+deb8u1"}]}],"versions":["1.2.8-2"]},{"source":"osv","ecosystem":"Debian:9","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.18-1+deb9u1"}]}],"versions":["1.2.18-1"]},{"source":"osv","ecosystem":"Mageia:6","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-1.1.mga6"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.8-2ubuntu1","1.2.12-1ubuntu1","1.2.12-1ubuntu1+esm1"]},{"source":"osv","ecosystem":"Ubuntu:18.04:LTS","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.2.18-1","1.2.19-1","1.2.19-1build1","1.2.19-1ubuntu1","1.2.19-1ubuntu1.1"]},{"source":"osv","ecosystem":"SUSE:Package Hub 12","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-bp150.3.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-bp150.3.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.0","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-bp150.3.3.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Leap 15.1","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-bp150.3.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-bp151.6.3.1"}]}]},{"source":"osv","ecosystem":"SUSE:Package Hub 15 SP1","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.2.19-bp151.6.6.1"}]}]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"mumble","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.4-2.7"}]}],"bundled":2}],"products":[{"vendor":"debian","product":"debian_linux"},{"vendor":"mumble","product":"mumble"}],"references":[{"url":"https://bugs.debian.org/919249","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Mailing List","Third Party Advisory","report"]},{"url":"https://www.debian.org/security/2019/dsa-4402","tags":["vendor-advisory","x_refsource_DEBIAN","x_transferred","Third Party Advisory","advisory","web"]},{"url":"https://github.com/mumble-voip/mumble/pull/3510","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.debian.org/debian-lts-announce/2019/02/msg00006.html","tags":["mailing-list","x_refsource_MLIST","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/mumble-voip/mumble/issues/3505","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"https://github.com/mumble-voip/mumble/pull/3512","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix","report"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00045.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00023.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00058.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-20743"},{"url":"https://github.com/advisories/GHSA-m3vr-wjwg-vh63"},{"url":"https://security.alpinelinux.org/vuln/CVE-2018-20743","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2018-20743","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2019-0145.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=24479","tags":["report"]},{"url":"https://ubuntu.com/security/CVE-2018-20743","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2018-20743","tags":["report"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/NIKQP2U6AMV5NL4T6N652ABNGOOW32CQ/#NIKQP2U6AMV5NL4T6N652ABNGOOW32CQ","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1123334","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2018-20743","tags":["web"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/YX7YY4Y65UGZNLQVCUM5776765JHMSIL/#YX7YY4Y65UGZNLQVCUM5776765JHMSIL","tags":["advisory"]},{"url":"https://lists.opensuse.org/archives/list/security-announce@lists.opensuse.org/thread/BBSGZYQBFGRKNUI644LKRFWTYQPZVOCV/","tags":["advisory"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-27229","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2018-20743","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:00:00Z","modified":"2024-08-05T12:12:28.213Z","updated_at":"2026-11-02T14:35:00.237825Z"}],"euvd":[{"id":"EUVD-2018-13288","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:00:00Z","modified":"2024-08-05T12:12:28Z","updated_at":"2026-11-03T02:39:29.769885Z"}],"ghsa":[{"id":"GHSA-m3vr-wjwg-vh63","title":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that...","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2022-05-14T00:55:57Z","modified":"2023-02-02T05:02:42Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:51:29.873049Z"}],"nvd":[{"id":"CVE-2018-20743","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:29:00.26Z","modified":"2026-06-17T01:53:23.207Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:04:53.728218Z"}],"osv":[{"id":"ALPINE-CVE-2018-20743","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:29:00.26Z","modified":"2026-11-03T06:31:21.650276338Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:18:23.800469Z"},{"id":"CVE-2018-20743","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:29:00.26Z","modified":"2026-10-20T10:50:03.155132631Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:09.145458Z"},{"id":"DEBIAN-CVE-2018-20743","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:29:00.26Z","modified":"2026-10-23T18:03:05.273169429Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:30.867575Z"},{"id":"UBUNTU-CVE-2018-20743","description":"murmur in Mumble through 1.2.19 before 2018-08-31 mishandles multiple concurrent requests that are persisted in the database, which allows remote attackers to cause a denial of service (daemon hang or crash) via a message flood.","status":"published","published":"2019-01-25T16:29:00Z","modified":"2025-10-24T04:47:19Z","cvss":[{"version":"3.0","score":7.5,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:17.91743Z"},{"id":"DLA-1661-1","title":"mumble - security update","status":"published","published":"2019-02-06T00:00:00Z","modified":"2026-03-09T01:17:58.553233Z","updated_at":"2026-11-02T15:46:09.777694Z"},{"id":"DSA-4402-1","title":"mumble - security update","status":"published","published":"2019-03-05T00:00:00Z","modified":"2026-03-09T02:09:59.329827Z","updated_at":"2026-11-02T15:46:16.862196Z"},{"id":"MGASA-2019-0145","title":"Updated mumble packages fix security vulnerability","description":"It was discovered that insufficient restrictions in the connection\nhandling of Mumble, a low latency encrypted VoIP client, could result in\ndenial of service (CVE-2018-20743).\n","status":"published","published":"2019-04-10T22:07:23Z","modified":"2026-04-16T04:44:31.559684706Z","updated_at":"2026-11-02T15:49:40.793816Z"},{"id":"openSUSE-SU-2019:1794-1","title":"Security update for mumble","description":"This update for mumble fixes the following issues:\n\nCVE-2018-20743: murmur mishandled multiple concurrent requests that were persisted in the database, which allowed remote attackers to cause a denial of service (daemon hang or crash) via a message flood. (boo#1123334)\n\n","status":"published","published":"2019-07-23T11:23:03Z","modified":"2026-02-04T03:40:47.301746Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2019:1876-1","title":"Security update for mumble","description":"This update for mumble fixes the following issues:\n\nCVE-2018-20743: murmur mishandled multiple concurrent requests that were persisted in the database, which allowed remote attackers to cause a denial of service (daemon hang or crash) via a message flood. (boo#1123334)\n\n\nThis update was imported from the openSUSE:Leap:15.0:Update update project.","status":"published","published":"2019-08-14T09:52:02Z","modified":"2026-02-04T03:25:57.350252Z","updated_at":"2026-11-02T16:58:30.784344Z"},{"id":"openSUSE-SU-2020:0137-1","title":"Security update for mumble","description":"This update for mumble fixes the following issues:\n\nCVE-2018-20743: murmur mishandled multiple concurrent requests that were persisted in the database, which allowed remote attackers to cause a denial of service (daemon hang or crash) via a message flood. (boo#1123334)\n\n\nThis update was imported from the openSUSE:Leap:15.1:Update update project.","status":"published","published":"2020-01-29T16:40:30Z","modified":"2026-02-04T04:23:58.794476Z","updated_at":"2026-11-02T16:58:31.152112Z"},{"id":"openSUSE-SU-2024:11065-1","title":"mumble-1.3.4-2.7 on GA media","description":"These are all security issues fixed in the mumble-1.3.4-2.7 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:42:10.865133Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}
